#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
#include<stdlib.h>
typedef int SeqDateype;

typedef struct SeqList
{
	int size;
	int capacity;
	SeqDateype* arr;
}SL;

void Intize(SL* s1);
void Print(SL* s1);
void SLDesTory(SL* s1);



void SeqListPushback(SL* s1,SeqDateype x);
void SeqListPushFront(SL* s1, SeqDateype x);
void SeqListPopBack(SL* s1);
void SeqListPopFront(SL* s1);


void SeqListpush(SL* s1, SeqDateype x, int i);
void SeqListpop(SL* s1, int i);



